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CuNi44 Constantan Resistance Copper Nickel Alloy Strip Resistance Tape

Name: CuNi44 Constantan Resistance Copper Nickel Alloy Strip Resistance Tape
Brand: Shanghai Tankii Alloy Material Co.,Ltd
SKU: Constantan
Price: 35.00 USD
Availability: InStock

Product Details

Place of Origin: China

Brand Name: TANKII

Certification: ISO

Model Number: Constantan

Payment & Shipping Terms

Minimum Order Quantity: 20kg

Packaging Details: Strip/Wire/Ribbon diameter 0.005mm-1.0mm packing in spool, big than 1.50mm packing in coil

Payment Terms: Western Union, T/T, L/C

Supply Ability: 20,000kg/Week

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Specifications

Description

Specifications

Highlight: 
                                                                                                                                                                                                                                                                                                                                                                                                                                    Resistance Copper Nickel Alloy Strip, CuNi44 Constantan Resistance Tape
                                                      

State:	Soft Annealled Or Hard	Sample Supply:	Small Sample Supply Is Available
Constantan Resistivity:	0.48±0.03	Conductor Type:	Solid
Chemical Composition:	Cu, Mn, Ni	Feature:	Good Form Stability & Lower Prices

State:	Soft Annealled Or Hard
Sample Supply:	Small Sample Supply Is Available
Constantan Resistivity:	0.48±0.03
Conductor Type:	Solid
Chemical Composition:	Cu, Mn, Ni
Feature:	Good Form Stability & Lower Prices

Description

CuNi44 Constantan Resistance Copper Nickel Alloy Strip Resistance Tape

Constantan
Resistance alloy with moderate resistivity and low temperature coefficent of resistance with a flat
resistance/temperature curve over a wider range than the "manganins". Constantan also shows better corrosion resistance than the manganins.
Uses tend to be restricted to ac circuits. Constantan is also the negative element of the type J thermocouple with Iron being the positive; type J thermocouples are used in heat treating applications. Also, it is the negative element of the type T thermocouple with OFHC Copper the positive; type T thermocouples are used at cryogenic temperatures.

Chemical Content, %

Ni	Mn	Fe	Si	Cu	Other	ROHS Directive
						Cd	Pb	Hg	Cr
44	1.50%	0.5	-	Bal	-	ND	ND	ND	ND

Mechanical Properties

Max Continuous Service Temp	400ºC
Resisivity at 20ºC	0.49±5%ohm mm2/m
Density	8.9 g/cm3
Thermal Conductivity	-6(Max)
Melting Point	1280ºC
Tensile Strength,N/mm2 Annealed,Soft	340~535 Mpa
Tensile Strength,N/mm3 Cold Rolled	680~1070 Mpa
Elongation(anneal)	25%(Min)
Elongation(cold rolled)	≥Min)2%(Min)
EMF vs Cu, μV/ºC (0~100ºC)	-43
Micrographic Structure	austenite
Magnetic Property	Non

Application:
CuNi44 is a copper-nickel alloy that contains specific minor amounts of additional elements to achieve precise values for the temperature coefficient of resistivity. Careful control of melting and conversion practices results in a very low level of pinholes at
ultra-thin thicknesses. The alloy is used extensively for foil resistors and strain gauges.

CuNi44 Constantan Resistance Copper Nickel Alloy Strip Resistance Tape 0

CuNi44 Constantan Resistance Copper Nickel Alloy Strip Resistance Tape 1

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